A5013097459- Optical Imaging and Spectroscopy Techniques
- Functional Brain Connectivity Studies
- Mental Health Research Topics
- Neural Networks and Applications
- Heart Rate Variability and Autonomic Control
- Neural dynamics and brain function
- Anxiety, Depression, Psychometrics, Treatment, Cognitive Processes
- Advanced Memory and Neural Computing
- Neuroscience and Neuropharmacology Research
- Digital Mental Health Interventions
- Neuroscience and Music Perception
- Sensor Technology and Measurement Systems
- Ion channel regulation and function
- Treatment of Major Depression
- Schizophrenia research and treatment
- Microwave Engineering and Waveguides
- Hearing, Cochlea, Tinnitus, Genetics
- Child and Adolescent Psychosocial and Emotional Development
- Neural Networks and Reservoir Computing
- Radio Frequency Integrated Circuit Design
- Advanced Power Amplifier Design
The University of Tokyo
2016-2024
Keio University
2024
Nihon University
2002
Abstract Previous studies have shown glutamatergic dysfunction and γ-aminobutyric acid (GABA)-ergic in schizophrenia. Animal suggest that N-methyl- d -aspartate receptor (NMDAR) GABA-ergic interact with each other lead to alterations excitatory/inhibitory balance. The NMDAR GABAergic-interneuron functions may be indexed by mismatch negativity (MMN) auditory steady-state gamma-band response (ASSR), respectively. However, no previous tested the hypothesis of an abnormal association between MMN...
Abstract Several animal models of schizophrenia and patients with chronic have shown increased spontaneous power gamma oscillations. However, the most robust alterations oscillations in are reduced auditory–oscillatory responses. We hypothesized that early-stage would This study included 77 participants, including 27 ultra-high-risk (UHR) individuals, 19 recent-onset (ROS), 31 healthy controls (HCs). The auditory steady-state response (ASSR) measured as induced during ASSR period were...
Research efforts aiming at neuroimaging-aided differential diagnosis for psychiatric disorders have been progressing rapidly. A previous multisite study has developed a supplementary diagnostic system using functional near-infrared spectroscopy (fNIRS) that can be easily applied to clinical settings. However, few neuroimaging biomarkers the psychosis spectrum with various stages.We employed fNIRS as examination device 143 participants, comprising 47 ultra-high risk (UHR) individuals, 30...
Background Coping refers to conscious responses negative circumstances, with the intention of ameliorating these situations. Few studies have compared differences between psychotherapy and medication treatment for coping strategies depression. In this study, we investigated in cognitive behavioral therapy (CBT) combined (CBT group) alone (pharmacotherapy among outpatients Methods A prospective observational study was conducted 50 patients major depression (24 26 CBT pharmacotherapy groups,...
Internet-delivered cognitive therapy for social anxiety disorder (iCT-SAD), which is a therapist-guided modular web-based treatment, has shown strong efficacy and acceptability in English-language randomized controlled trials the United Kingdom Hong Kong. However, it not yet known whether iCT-SAD can retain its following linguistic translation cultural adaptation of treatment contents implementation other countries such as Japan.This study aimed to examine preliminary translated culturally...
Abstract Background The prefrontal deficits in psychiatric disorders have been investigated using functional neuroimaging tools; however, no studies tested the related characteristics across considering various demographic and clinical confounders. Methods We analyzed 1558 brain measurements a near-infrared spectroscopy during verbal fluency task from 1200 participants with three disease spectra [196 schizophrenia, 189 bipolar disorder (BPD), 394 major depressive (MDD)] 369 healthy controls...
Near-infrared spectroscopy (NIRS) is a functional neuroimaging modality that has advantages in clinical usage. Previous magnetic resonance imaging (fMRI) studies have found the resting-state connectivity (RSFC) of default mode network (DMN) increased, while RSFC cognitive control (CCN) reduced patients with major depressive disorder (MDD) compared healthy controls. This study tested whether NIRS-based measurements can detect abnormalities been associated MDD previous fMRI studies. We...
Abstract Suicide is a major cause of death in patients with schizophrenia, particularly among those recent disease onset. Although brain imaging studies have identified the neuroanatomical correlates suicidal behavior, functional activity recent-onset schizophrenia (ROSZ) remain unknown. Using near-infrared spectroscopy (NIRS) recording high-density coverage prefrontal area, we investigated whether altered ROSZ having history suicide attempts. A 52-channel NIRS system was used to examine...
Near-infrared spectroscopy (NIRS) is a noninvasive functional neuroimaging modality that can detect changes in blood oxygenation levels by tracking cortical neural activity. We recorded the resting-state brain activity of 24 individuals with schizophrenia and 90 healthy controls for 8 min using whole-head NIRS arrangement then used partial correlation analysis to estimate connectivity (RSFC) between 17 regions. found RSFC bilateral orbitofrontal cortices (OFCs) right temporal parietal lobes...
Abstract With a view to engineering applications of the information processing mechanisms used by neural networks in biological bodies, various studies have been conducted on pulse‐type neurons and networks. When research large‐scale network is carried out, there are limitations computer simulation, so that hardware realization desirable. realized hardware, it advantageous model single neuron CMOS IC suitable for LSI. In this paper, reference Yagi model, shown new can be constructed with...
A functional near-infrared spectroscopy (fNIRS) has an advantage of easy measurement the activity in surface cortex with a naturalistic position. Therefore, fNIRS been used as aid for differential diagnosis depressive symptoms clinical application Japan. However, system is not considered gender, age, and task performance which could be associated brain activity. We previously reported that was cognitive performance, age at onset, stages psychosis. we intend to explore association between...
A highly efficient and linear power amplifier has been developed for use in millimeter wave radio systems. Applications include Internet satellite terminals, broadband wireless communications high-speed data links. By combining, at wave, traveling tube (TWT) based microwave module (MPM) technology with an advanced predistortion linearizer (> 40 GHz operation), a high performance, low cost, small size mass achieved. This is referred to as L-MMPM linearized module. It provides peak of 100...
<sec> <title>BACKGROUND</title> Internet-delivered cognitive therapy for social anxiety disorder (iCT-SAD), which is a therapist-guided modular web-based treatment, has shown strong efficacy and acceptability in English-language randomized controlled trials the United Kingdom Hong Kong. However, it not yet known whether iCT-SAD can retain its following linguistic translation cultural adaptation of treatment contents implementation other countries such as Japan. </sec>...